Update siggraph 25 landing page (#148)

Author: expipiplus1

landing/siggraph-25/index.md

@@ -2,6 +2,29 @@
 
 # Course: Introduction to Neural Shading
 
-This is the landing page for the SIGGRAPH 2025 Course "Introduction to Neural Shading". You will find source code and other accompanying materials with the course here.
+This is the landing page for the SIGGRAPH 2025 Course "Introduction to Neural Shading". You will find source code and other accompanying materials with the course here as they become available.
 
-# Lab
+The latest release of Slang for SIGGRAPH can be found here https://github.com/shader-slang/slang/releases/tag/v2025.14.1
+
+## [Hands-On Class: Introduction to Slang](https://s2025.conference-schedule.org/?post_type=page&p=14&id=gensubcur_104&sess=sess287)
+
+**Sunday, August 10, 4:00-5:30 PM PDT**  
+**West Building, Rooms 121-122**
+
+Join us for a comprehensive hands-on lab that will take you from Slang basics to advanced features. This is an interactive session.
+
+## [Birds of a Feather: Developing with Slang](https://s2025.conference-schedule.org/?post_type=page&p=14&id=bof_177&sess=sess558)
+
+**Wednesday, August 13, 2:30-3:30 PM PDT**  
+**British Ballroom, Fairmont Waterfront**
+
+This community-focused session will provide the latest updates on Slang development and foster discussions about the future of shader programming.
+
+## [An Introduction to Neural Shading](https://s2025.conference-schedule.org/?post_type=page&p=14&id=gensub_420&sess=sess208)
+
+**Thursday, August 14, 9:00 AM-12:15 PM PDT**  
+**West Building, Rooms 109-110**
+
+This intensive course will teach you how to implement neural shading techniques using Slang, where traditional graphics algorithms are replaced with neural networks.
+
+_For more information about SIGGRAPH 2025, visit the [official conference website](https://s2025.siggraph.org/)._